Datasheet Microchip PIC18F14K50 — 数据表

PIC18(L)F1XK50
20-Pin USB Flash Microcontrollers with XLP Technology
Universal Serial Bus Features USB V2.0 Compliant SIE Full Speed (12 Mb/s) and Low Speed (1.5 Mb/s) Supports Control, Interrupt, Isochronous and
Bulk Transfers Supports up to 16 Endpoints (8 bidirectional) 256-byte Dual Access RAM for USB Input-Change Interrupt on D+/D-for Detecting
Physical Connection to USB Host High-Performance RISC CPU C Compiler Optimized Architecture:
-Optional extended instruction set designed to
optimize re-entrant code
-256 bytes, data EEPROM
-Up to 16 Kbytes linear program memory
addressing
-Up to 768 bytes linear data memory
addressing Priority Levels for Interrupts 8 x 8 Single-Cycle Hardware Multiplier Flexible Oscillator Structure CPU Divider to Run the Core Slower than the
USB Peripheral 16 MHz Internal Oscillator Block:
-Software selectable frequencies, 31 kHz to
16 MHz
-Provides a complete range of clock speeds
from 31 kHz to 32 MHz when used with PLL
-User tunable to compensate for frequency
drift Four Crystal modes, up to 48 MHz External Clock modes, up to 48 MHz 4X Phase Lock Loop (PLL) Secondary Oscillator using Timer1 at 32 kHz Fail-Safe Clock Monitor:
-Allows for safe shutdown if primary or
secondary oscillator stops Two-Speed Oscillator Start-Up Special Microcontroller Features Full 5.5V Operation – PIC18F1XK50
1.8V-3.6V Operation – PIC18LF1XK50
Self-Programmable under Software Control …